[Bug 691590] Re: libvirt restore exactly the old ownership of images
Christian Ehrhardt
691590 at bugs.launchpad.net
Mon Jun 22 19:28:24 UTC 2020
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/libvirt/+git/libvirt/+merge/386212
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https://bugs.launchpad.net/bugs/691590
Title:
libvirt restore exactly the old ownership of images
Status in libvirt:
Fix Released
Status in libvirt package in Ubuntu:
In Progress
Bug description:
Natty (and it was also the same on Maverick, IIRC).
When you assign an ISO to a VM, libvirt will take over onwership of
the ISO. This creates problems if the ISO is updated.
For example, I am daily updating the Natty server ISOs, and running
tests on them via KVM (all automated). The ISO updates will fail
because libvirt chowns them.
I see no reason for this: libvirt only needs the ISO as input.
WORKAROUND:
edit /etc/libvirt/qemu.conf, change 'dynamic_ownership = 0', restart qemu/KVM.
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